66 Powerglide fluid substitute?
My 66 Powerglide trans has a leak. The selector shaft I think. I need to top it off. But I can't find any Type A which is what I believe is the correct fluid type. Is one of the modern types Ok (or better) to use in a 66 Powerglide as a substitute?
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Rick Weltzin -
Re: 66 Powerglide fluid substitute?
You can use DEXRON or DEXRON II. They are downward compatible to Type A.
However, if you still have the old Type A in the trans, you should consider a complete changeout after all these years. You"ll then be good for another 20-30 years.
Larry -
Re: 66 Powerglide fluid substitute?
Larry,
Thanks for the info. Yes, I'm not sure exactly what is in there but whatever it is, it has been there for at least 20 years.
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